namespace test
{
    public class CommonInsert
    {
        public int ColumnId { get; set; }
        public string? ColumnName { get; set; }
        public string Topic { get; set; } = null!;
        public string? Contents { get; set; }
        public DateTime? AddTime { get; set; }
        public string? ImgUrl { get; set; }
    }
}